140531375 has 8 divisors (see below), whose sum is σ = 175383312. Its totient is φ = 112425000.

The previous prime is 140531341. The next prime is 140531389. The reversal of 140531375 is 573135041.

It is not a de Polignac number, because 140531375 - 2⁸ = 140531119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562001 + ... + 562250.

It is an arithmetic number, because the mean of its divisors is an integer number (21922914).

Almost surely, 2^140531375 is an apocalyptic number.

140531375 is a deficient number, since it is larger than the sum of its proper divisors (34851937).

140531375 is an equidigital number, since it uses as much as digits as its factorization.

140531375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124266 (or 1124256 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 140531375 is about 11854.5929917480. The cubic root of 140531375 is about 519.9055240098.

The spelling of 140531375 in words is "one hundred forty million, five hundred thirty-one thousand, three hundred seventy-five".